PHP消息队列与微服务架构的结合实践

<?php

require_once __DIR__ . '/vendor/autoload.php';

use PhpAmqpLibConnectionAMQPStreamConnection;
use PhpAmqpLibMessageAMQPMessage;

// 连接RabbitMQ服务器
$connection = new AMQPStreamConnection('localhost', 5672, 'guest', 'guest');
$channel = $connection->channel();

// 声明一个名为hello的队列
$channel->queue_declare('hello', false, false, false, false);

// 发送消息到队列
$message = new AMQPMessage('Hello RabbitMQ!');
$channel->basic_publish($message, '', 'hello');

echo " [x] Sent 'Hello RabbitMQ!'
";

// 关闭连接
$channel->close();
$connection->close();
?>

<?php

require_once __DIR__ . '/vendor/autoload.php';

use PhpAmqpLibConnectionAMQPStreamConnection;
use PhpAmqpLibMessageAMQPMessage;

$connection = new AMQPStreamConnection('localhost', 5672, 'guest', 'guest');
$channel = $connection->channel();

$channel->queue_declare('order_success_event', false, false, false, false);

$callback = function ($message) {
    echo " [x] Order success event received: " . $message->body . "
";
    
    // 处理库存扣减逻辑
    
    $message->delivery_info['channel']->basic_ack($message->delivery_info['delivery_tag']);
};

$channel->basic_consume('order_success_event', '', false, false, false, false, $callback);

while ($channel->is_consuming()) {
    $channel->wait();
}

$channel->close();
$connection->close();
?>

<?php

require_once __DIR__ . '/vendor/autoload.php';

use PhpAmqpLibConnectionAMQPStreamConnection;
use PhpAmqpLibMessageAMQPMessage;

$connection = new AMQPStreamConnection('localhost', 5672, 'guest', 'guest');
$channel = $connection->channel();

$channel->queue_declare('order_success_event', false, false, false, false);

$callback = function ($message) {
    echo " [x] Order success event received: " . $message->body . "
";
    
    // 处理积分计算逻辑
    
    $message->delivery_info['channel']->basic_ack($message->delivery_info['delivery_tag']);
};

$channel->basic_consume('order_success_event', '', false, false, false, false, $callback);

while ($channel->is_consuming()) {
    $channel->wait();
}

$channel->close();
$connection->close();
?>

<?php

require_once __DIR__ . '/vendor/autoload.php';

use PhpAmqpLibConnectionAMQPStreamConnection;
use PhpAmqpLibMessageAMQPMessage;

$connection = new AMQPStreamConnection('localhost', 5672, 'guest', 'guest');
$channel = $connection->channel();

$channel->queue_declare('order_success_event', false, false, false, false);

// 接收用户下单请求
$request = $_POST; // 假设为用户的下单请求数据
$orderInfo = createOrder($request);

// 处理订单相关的业务逻辑

// 发送订单成功事件到消息队列
$message = new AMQPMessage(json_encode($orderInfo));
$channel->basic_publish($message, '', 'order_success_event');

echo "Order placed successfully!";

$channel->close();
$connection->close();

function createOrder($request) {
    // 创建订单的逻辑
    // ...
    
    return $orderInfo;
}
?>